tencent cloud

    // 下载对象，下载对象需要用户提供密钥	// 下载对象，下载对象需要用户提供密钥 package main

import (
    "context"
    "errors"
    "io/ioutil"
    "net/http"
    "net/url"
    "os"
    "strings"

    "github.com/tencentyun/cos-go-sdk-v5"
    "github.com/tencentyun/cos-go-sdk-v5/debug"
)

func main() {
    // 替换成您的<Bucketname-APPID>
    u, _ := url.Parse("https://<Bucketname-APPID>.cos.ap-guangzhou.myqcloud.com")
    b := &cos.BaseURL{BucketURL: u}
    c := cos.NewClient(b, &http.Client{
            Transport: &cos.AuthorizationTransport{
                    SecretID:  os.Getenv("SECRETID"),  // 用户的 SecretId，建议使用子账号密钥，授权遵循最小权限指引，降低使用风险。子账号密钥获取可参见 https://www.tencentcloud.com/document/product/598/37140?from_cn_redirect=1
                    SecretKey: os.Getenv("SECRETKEY"),  // 用户的 SecretKey，建议使用子账号密钥，授权遵循最小权限指引，降低使用风险。子账号密钥获取可参考见 https://www.tencentcloud.com/document/product/598/37140?from_cn_redirect=1
                    Transport: &debug.DebugRequestTransport{
                            RequestHeader: true,
                            // Notice when put a large file and set need the request body, might happend out of memory error.
                            RequestBody:    false,
                            ResponseHeader: true,
                            ResponseBody:   true,
                    },
            },
    })
    opt := &cos.ObjectPutOptions{
            ObjectPutHeaderOptions: &cos.ObjectPutHeaderOptions{
                    ContentType:           "text/html",
                    XCosServerSideEncryption: "AES256",
            },
            ACLHeaderOptions: &cos.ACLHeaderOptions{},
    }
    name := "PutFromGoWithSSE-COS"
    content := "Put Object From Go With SSE-COS"
    f := strings.NewReader(content)
    _, err := c.Object.Put(context.Background(), name, f, opt)
    if err != nil {
        panic(err)
    }
    // 下载对象
    getopt := &cos.ObjectGetOptions{}
    var resp *cos.Response
    resp, err = c.Object.Get(context.Background(), name, getopt)
    if err != nil {
        panic(err)
    }
    // 验证
    bodyBytes, _ := ioutil.ReadAll(resp.Body)
    bodyContent := string(bodyBytes)
    if bodyContent != content {
        panic(errors.New("Content inconsistency"))
    }
}